MESON Chess Problem Database

Problem Display
PID: 217760 (8/3Np3/2Ppk3/3r4/8/1Q3Rb1/2n1N2p/7K w - - 0 1)

Uhler, Ekkehard

Badische Neueste Nachrichten, 1983

8/3Np3/2Ppk3/3r4/8/1Q3Rb1/2n1N2p/7K

#2

6 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Sf8#
    • 1...Sa1
      • 2.Sd4#
    • 1...Se1
      • 2.Sd4#
    • 1...Sa3
      • 2.Sd4#
    • 1...Se3
      • 2.Sd4#
    • 1...Sb4
      • 2.Sd4#
    • 1...Sd4
      • 2.Sxd4#
  • Keys
    • 1.Rf8!
      • 1...Be1
        • 2.Sf4#
      • 1...Bf2
        • 2.Sf4#
      • 1...Bf4
        • 2.Sxf4#
      • 1...Bh4
        • 2.Sf4#
      • 1...Be5
        • 2.Qh3#
      • 1...Sa1
        • 2.Sd4#
      • 1...Se1
        • 2.Sd4#
      • 1...Sa3
        • 2.Sd4#
      • 1...Se3
        • 2.Sd4#
      • 1...Sb4
        • 2.Sd4#
      • 1...Sd4
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK::S(F)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
  • Actual
    • R(D);
    • Vars
      • B(c);N_GUARD::S(B)
      • B(c);N_GUARD::S(B),XB(c)
      • B(c);OGATE::QAB(C)
      • S(a);N_GUARD::S(B)
      • S(a);N_GUARD::S(B),XS(a)
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